Home / 86,722.40-130,055.92-27,544.22

Finding the Fourth Proportional to 86,722.40, 130,055.92 and 27,544.22

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Solution

The fourth proportional to 86,722.40, 130,055.92 and 27,544.22 is: 41,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,722.40 : 130,055.92 = 27,544.22 : x
  2. Step 2: Convert to fraction form
    86,722.40/130,055.92 = 27,544.22/x
  3. Step 3: Cross multiply
    86,722.40x = 130,055.92 × 27,544.22
  4. Step 4: Simplify right side
    86,722.40x = 3,582,288,872.78
  5. Step 5: Solve for x
    x = 3,582,288,872.78/86,722.40
  6. Step 6: Final answer
    x = 41,307.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.